Table 3.
Description of participants, methods, and measures for each experiment
| Experiment 1 | Experiment 2 | Experiment 3 | Experiment 4 | |
|---|---|---|---|---|
| Participants | 472 from Amazon Mechanical Turk (Mage = 35.12, 243 female) | 1108 from Amazon Mechanical Turk (Mage = 35.19, 618 female) | 1129 from Amazon Mechanical Turk (Mage = 34.40, 645 female) | 1175 from Lucida (Mage = 45.46, 606 female) |
| Conditions | Emotion induction, reason induction | Emotion induction, reason induction, control | Emotion induction, reason induction, control | Emotion induction, reason induction, control |
| News headlines | 6 fake headlines (half democrat-consistent, half Republican-consistent) | 6 fake, 6 real headlines (half democrat-consistent, half Republican-consistent) | 5 fake, 5 real headlines (all politically concordant based on force-choice Trump versus Clinton question) | 6 fake, 6 real headlines (half Democrat-consistent, half Republican-consistent) |
| Scale questions on use of reason/emotion (Likert: 1–5) | Not included | Included | Included | Included |
| Participant Inclusion Criteria | Restricted to United States; 90% HIT Approval Rate | Restricted to United States; 90% HIT Approval Rate | Restricted to United States; 90% HIT Approval Rate | Typical Lucid Representative Sample |
Lucid, an online convenience sampling platform comparable to Mechanical Turk, is purported to have a larger pool of subjects than MTurk, less professionalized subjects, and subjects more similar to US benchmarks regarding demographic, political, and psychological profiles (see Coppock and McClellan 2019)